The Extreme device allows you to manually set the system clock. The time counter setting is retained across power cycles.
Note
This must be set to the UTC time, otherwise configuration of the timezone will cause the system to adopt the incorrect local time.device# clock set 2019-12-10T16:38:00
Note
Setting the clock is not required whtn NTP is configured and the clock is synchronized to an external NTP server.device# configure terminal
device(config)# clock timezone America/Los_A device(config)# end device# show clock 2019-12-10 08:38:18 America/Los_Angeles device#
The following configuration is an example of the previous steps.
device# clock set 2019-12-10T16:38:00 device# conf Entering configuration mode terminal device(config)# clock timezone America/Los_A device(config)# end device# show clock 2019-12-10 08:38:18 America/Los_Angeles device#